수직 동기화 관련 자료 수집, DirectX SwapChain::Present()

VBlank (vertical blank)

https://learn.microsoft.com/en-us/windows/win32/api/dxgi/nf-dxgi-idxgioutput-waitforvblank

IDXGIOutput::WaitForVBlank (dxgi.h) - Win32 apps

 

DXGI(DirectX Graphics Infrastructure) 프레젠테이션

https://learn.microsoft.com/ko-kr/windows/win32/direct3ddxgi/d3d10-graphics-programming-guide-dxgi#presentation

DXGI 개요 - Win32 apps

 

Android Performance Patterns: Understanding VSYNC

https://www.youtube.com/watch?v=1iaHxmfZGGc 

 

DX IDXGISwapChain::Present()

https://learn.microsoft.com/ko-kr/windows/win32/api/dxgi/nf-dxgi-idxgiswapchain-present

IDXGISwapChain::P resent(dxgi.h) - Win32 apps

 

DXGI_SWAP_EFFECT

https://learn.microsoft.com/ko-kr/windows/win32/api/dxgi/ne-dxgi-dxgi_swap_effect

DXGI_SWAP_EFFECT(dxgi.h) - Win32 apps

 

 

Unreal Engine 5 코드 참고

UnrealClient.cpp (1689)

void FViewport::EndRenderFrame(...)

> RHICmdList.EndDrawingViewport(GetViewportRHI(), bPresent, bLockToVsync);

 

SlateRHIRenderer.cpp

inline bool CompositeUIWithHdrRenderTarget(const FViewportInfo* ViewInfo)

> RHICmdList.EndDrawingViewport(ViewportInfo.ViewportRHI, true, DrawCommandParams.bLockToVsync);

 

 

DX11 Tutorial

https://www.rastertek.com/dx11win10tut03.html

void D3DClass::EndScene()
{
	// Present the back buffer to the screen since rendering is complete.
	if(m_vsync_enabled)
	{
		// Lock to screen refresh rate.
		m_swapChain->Present(1, 0);
	}
	else
	{
		// Present as fast as possible.
		m_swapChain->Present(0, 0);
	}

	return;
}

OpenGL Tutorial

https://www.rastertek.com/gl4linuxtut03.html

// Get the current drawable so we can modify the vertical sync swapping.
drawable = glXGetCurrentDrawable();
    
// Turn on or off the vertical sync depending on the input bool value.
if(vsync)
{
    glXSwapIntervalEXT(m_display, drawable, 1);
}
else
{
    glXSwapIntervalEXT(m_display, drawable, 0);
}

 

 

Unreal Engine Lyra 샘플 문서

https://docs.unrealengine.com/5.3/ko/tour-of-lyra-in-unreal-engine/#%EA%B3%A0%EA%B8%89%EA%B7%B8%EB%9E%98%ED%94%BD

수직 동기화(Vertical Sync)
수직 동기화는 항상 전체 프레임을 렌더링 및 프레젠테이션하여 스크린 티어링을 제거합니다. 수직 동기화를 비활성화하면 프레임 레이트와 입력 반응이 향상되지만 수평 화면 테어링이 발생할 수 있습니다. 수직 동기화는 다음 옵션을 통해 토글될 수 있습니다.

 

Unity Engine 의 vSyncCount

https://docs.unity3d.com/2022.3/Documentation/ScriptReference/QualitySettings-vSyncCount.html

Unity - Scripting API: QualitySettings.vSyncCount

using UnityEngine;

public class Example : MonoBehaviour
{
    void Start()
    {
        // Sync the frame rate to the screen's refresh rate
        QualitySettings.vSyncCount = 1;
    }
}

 

팁 강좌
디스플레이 분류| 수직동기화, 그 정체를 파헤쳐보자! 작성 완료: 2016-09-12 2:50

https://coolenjoy.net/bbs/37/123538?sfl=wr_subject&stx=%EC%88%98%EC%A7%81&sop=and 

수직동기화, 그 정체를 파헤쳐보자! 작성 완료: 2016-09-12 2:50 > 팁 강좌 | 쿨엔조이

 

수직 동기화의 원리와 설정 방법

https://blog.naver.com/chlrkfka949/222689689535

수직 동기화의 원리와 설정 방법